3
2
2
3
6
2
2
2
2
2
1
2
1
1
3
1
1
4
1
3
2
4
1
3
3
1
5
4
3
2
1
2
1
1
1
3
1
3
3
6
1
2
2
1
2
2
4
6
2
Polar Station